The rind of the fruit is often used as a flavouring in cakes etc. Used in 'bouquet garni'. An oil obtained from the seeds contains linolenic acid and is becoming more widely used as a food because of its ability to reduce levels of cholesterol in the blood. The flowers are used for scenting tea.An essential oil from the dried peel of immature fruits is used as a food flavouring.
Grown as a hedging plant in N. America. A semi-drying oil obtained from the seed is used in soap making. Essential oils obtained from the peel, petals and leaves are used as a food flavouring and also in perfumery and medicines. The oil from the flowers is called 'Neroli oil' - yields are very low from this species and so it is often adulterated with inferior oils. The oil from the leaves and young shoots is called 'petit-grain' - 400 kilos of plant material yield about 1 kilo of oil. This is also often adulterated with inferior products.Neroli oil, mixed with vaseline, is used in India as a preventative against leeches.
Both the leaves and the flowers are antispasmodic, digestive and sedative. An infusion is used in the treatment of stomach problems, sluggish digestion etc. The fruit is antiemetic, antitussive, carminative, diaphoretic, digestive and expectorant.The immature fruit can be used (called Zhi Shi in China) or the mature fruit with seeds and endocarp removed (called Zhi Ke). The immature fruit has a stronger action. They are used in the treatment of dyspepsia, constipation, abdominal distension, stuffy sensation in the chest, prolapse of the uterus, rectum and stomach. The fruit peel is bitter, digestive and stomachic. The seed and the pericarp are used in the treatment of anorexia, chest pains, colds, coughs etc.The essential oil is used in aromatherapy. Its keyword is 'Radiance'. It is used in treating depression, tension and skin problems.
Cuttings of half-ripe wood, July/August in a frame.Layering in October.
Practical Plants is currently lacking information on propagation instructions of Citrus aurantium. Help us fill in the blanks! Edit this page to add your knowledge.
Dormant plants can withstand temperatures down to about -6°c so long as this is preceded by cool weather in order to harden off the plant. The young growth in spring, even on mature plants, is frost-tender and so it is best to grow the plants in a position sheltered from the early morning sun[K]. A tree grown outdoors on the coast at Salcombe in Devon lived for over 200 years. The bitter orange is often grown for its edible fruit in warm temperate and tropical zones, there are many named varieties. In Britain it can be grown in a pot that is placed outdoors in the summer and brought into a greenhouse during the winter.Plants dislike root disturbance and so should be placed into their permanent positions when young. If growing them in pots, great care must be exercised when potting them on into larger containers.
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
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